Equation Questions Practice Question and Answer

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Answer : 3. "x=22"

Q:

.$$ ({2+\sqrt{5}})$$┬ардФрд░ ┬а$$ ({2-\sqrt{5}})$$┬ардореВрд▓реЛрдВ рд╡рд╛рд▓рд╛ рджреНрд╡рд┐рдШрд╛рдд рд╕рдореАрдХрд░рдг рд╣реИред

894 0

  • 1
    $$ {x^{2}-3x-4=0}$$
    Correct
    Wrong
  • 2
    $$ {x^{2}+3x-4=0}$$
    Correct
    Wrong
  • 3
    $$ {x^{2}-3x+4=0}$$
    Correct
    Wrong
  • 4
    $$ {x^{2}+3x+4=0}$$
    Correct
    Wrong
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Answer : 1. "$$ {x^{2}-3x-4=0}$$"

Q:

рдирд┐рдореНрди рдореЗрдВ рд╕реЗ рдХреМрдирд╕рд╛ рд░реЗрдЦрд┐рдХ рд╕рдореАрдХрд░рдг рд╣реИред

804 0

  • 1
    14 тАУ x =8
    Correct
    Wrong
  • 2
    $$ {14x^{2}+3=8}$$
    Correct
    Wrong
  • 3
    $$ {2^{3}+8=0}$$
    Correct
    Wrong
  • 4
    $$ {x+{1\over x}=3}$$
    Correct
    Wrong
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Answer : 1. "14 тАУ x =8"

Q:

$$ {12x^{2}+7y^{2}-12}$$┬ардХрд╛ рдЧреБрдгрдирдЦрдгреНрдб рд╣реИред

981 0

  • 1
    (4y+3)
    Correct
    Wrong
  • 2
    (3y-4)
    Correct
    Wrong
  • 3
    (4y-3)
    Correct
    Wrong
  • 4
    (3y+2)
    Correct
    Wrong
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Answer : 3. "(4y-3)"

Q:

13x -14= 9x+10 ┬а, x┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

919 0

  • 1
    6
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 1. "6"

Q:

$$ {ab-a-b+1}$$┬ардХрд╛ рдЧреБрдгрдирдЦрдгреНрдб рд╣реИред

816 0

  • 1
    (a-1)(b-1)
    Correct
    Wrong
  • 2
    (a+1)(b-1)
    Correct
    Wrong
  • 3
    (a-1)(b+1)
    Correct
    Wrong
  • 4
    (a+b)(b-1)
    Correct
    Wrong
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Answer : 1. "(a-1)(b-1)"

Q:

рдпрджрд┐┬а$$ {x^2-12x+33=0}$$,┬ард╣реИ,рддреЛ┬а$${(x-4)^2+[{1\over({x-4})^2}}]$$┬ардХрд╛ рдорд╛рди рдХреНрдпрд╛ рд╣реИ?

843 0

  • 1
    16
    Correct
    Wrong
  • 2
    18
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 4. "14"

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Answer : 4. "$$ {10B^2=49CA}$$"

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